Home / 5,439-7,287

Finding the Third Proportional to 5,439 and 7,287

Calculator

Solution

The third proportional to 5,439 and 7,287 is: 9,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439 : 7,287 = 7,287 : x
  2. Step 2: Convert to fraction form
    5,439/7,287 = 7,287/x
  3. Step 3: Cross multiply
    5,439x = 7,287 × 7,287
  4. Step 4: Simplify right side
    5,439x = 53,100,369
  5. Step 5: Solve for x
    x = 53,100,369/5,439
  6. Step 6: Final answer
    x = 9,762.89

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.